20133231323201 has 16 divisors (see below), whose sum is σ = 20560419734400. Its totient is φ = 19707802383360.

The previous prime is 20133231323189. The next prime is 20133231323323. The reversal of 20133231323201 is 10232313233102.

It is a cyclic number.

It is not a de Polignac number, because 20133231323201 - 2¹⁰ = 20133231322177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133231923201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400787756 + ... + 400837986.

It is an arithmetic number, because the mean of its divisors is an integer number (1285026233400).

Almost surely, 2^{20133231323201} is an apocalyptic number.

It is an amenable number.

20133231323201 is a deficient number, since it is larger than the sum of its proper divisors (427188411199).

20133231323201 is a wasteful number, since it uses less digits than its factorization.

20133231323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67576.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20133231323201 its reverse (10232313233102), we get a palindrome (30365544556303).

The spelling of 20133231323201 in words is "twenty trillion, one hundred thirty-three billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred one".